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protein coding gene - def1 (SPBC354.10) - RNAPII degradation factor Def1

Gene summary

Standard name
def1
Systematic ID
SPBC354.10
Product
RNAPII degradation factor Def1
Organism
Schizosaccharomyces pombe (fission yeast)
UniProt ID
O43024
ORFeome ID
29/29F11
Characterisation status
biological role inferred
Feature type
mRNA gene
Genomic location
chromosome II: 570938..574320 forward strand

Annotation

Disease association

MONDO:0957588 - neurodevelopmental disorder with impaired language, behavioral abnormalities, and dysmorphic facies

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GO biological process

GO:0006974 - DNA damage response

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GO:0006511 - ubiquitin-dependent protein catabolic process

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GO cellular component

GO:0005829 - cytosol

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GO:0005634 - nucleus

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GO molecular function

GO:0043130 - ubiquitin binding

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Modification

MOD:00595 - monomannosylated residue

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MOD:00046 - O-phospho-L-serine

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MOD:00047 - O-phospho-L-threonine

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MOD:00048 - O4'-phospho-L-tyrosine

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MOD:00696 - phosphorylated residue

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MOD:01148 - ubiquitinylated lysine

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Multi-locus phenotype

FYPO:0001742 - increased isochromosome formation

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Genotypes:

FYPO:0007227 - increased number of R-loops at centromere

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Genotypes:

Protein features

PBO:0111843 - CUE domain protein

Qualitative gene expression

PomGeneEx:0000012 - RNA level decreased

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Quantitative gene expression

PBO:0006310 - protein level

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PBO:0011963 - RNA level

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Single locus phenotype

FYPO:0000121 - abnormal sporulation

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Genotypes:

FYPO:0004065 - abnormal transcription elongation from RNA polymerase II promoter

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Genotypes:

FYPO:0000684 - decreased cell population growth on glycerol carbon source

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Genotypes:

FYPO:0009091 - decreased cell population growth on lysine and proline nitrogen source

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Genotypes:

FYPO:0009092 - decreased cell population growth on lysine and serine nitrogen source

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Genotypes:

FYPO:0009073 - decreased cell population growth on lysine nitrogen source

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Genotypes:

FYPO:0007562 - decreased cell population growth on serine nitrogen source

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Genotypes:

FYPO:0000245 - loss of viability in stationary phase

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Genotypes:

FYPO:0002619 - normal growth on sodium butyrate

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Genotypes:

FYPO:0002620 - normal growth on trichostatin A

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Genotypes:

FYPO:0009031 - resistance to bleomycin

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Genotypes:

FYPO:0000764 - resistance to cycloheximide

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Genotypes:

FYPO:0009038 - resistance to egtazic acid

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Genotypes:

FYPO:0005969 - resistance to magnesium chloride

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Genotypes:

FYPO:0009087 - resistance to magnesium chloride and sodium dodecyl sulfate

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Genotypes:

FYPO:0009043 - resistance to potassium chloride and sodium dodecyl sulfate

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Genotypes:

FYPO:0003383 - resistance to tert-butyl hydroperoxide

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Genotypes:

FYPO:0000084 - sensitive to 6-azauracil

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Genotypes:

FYPO:0006930 - sensitive to butylated hydroxyanisole

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Genotypes:

FYPO:0006931 - sensitive to butylated hydroxytoluene

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Genotypes:

FYPO:0000096 - sensitive to cadmium

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Genotypes:

FYPO:0000115 - sensitive to valproic acid

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Genotypes:

FYPO:0002060 - viable vegetative cell population

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Genotypes:

FYPO:0002177 - viable vegetative cell with normal cell morphology

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Genotypes:

Taxonomic conservation

PBO:0011065 - conserved in eukaryotes

PBO:0011071 - conserved in eukaryotes only

PBO:0011064 - conserved in fungi

PBO:0011069 - conserved in metazoa

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PBO:0011070 - conserved in vertebrates

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PBO:0006222 - predominantly single copy (one to one)

Protein features

IDNameInterPro nameDB name
PF02845CUECUEPfam
cd14368CUE_DEF1_likeDEF1_CUECDD
PS51140CUECUEPROSITE profiles
PTHR16308TC-DDR_regulatorPANTHER
mobidb-lite-Disorderdisorder_predictionMobiDB-Disorder
mobidb-lite-Low-complexitydisorder_predictionMobiDB-Low-complexity
mobidb-lite-Polardisorder_predictionMobiDB-Polar
mobidb-lite-Polyampholytedisorder_predictionMobiDB-Polyampholyte
mobidb-lite-Positive-Polyelectrolytedisorder_predictionMobiDB-Positive-Polyelectrolyte

Orthologs

References / Literature

PMID:23101633 - Quantitative analysis of fission yeast transcriptomes and proteomes in proliferating and quiescent cells.
Marguerat S et al. Cell 2012 Oct 26;151(3):671-83
PMID:26173815 - Genome-wide screen of fission yeast mutants for sensitivity to 6-azauracil, an inhibitor of transcriptional elongation.
Zhou H et al. Yeast 2015 Oct;32(10):643-55
PB_REF:0000006 - Disease associations from Monarch via human-pombe orthologs
PMID:22681890 - Hierarchical modularity and the evolution of genetic interactomes across species.
Ryan CJ et al. Mol Cell 2012 Jun 08;46(5):691-704
PMID:23697806 - A genome-wide resource of cell cycle and cell shape genes of fission yeast.
Hayles J et al. Open Biol 2013 May 22;3(5):130053
PMID:30647105 - Comparative Genomic Screen in Two Yeasts Reveals Conserved Pathways in the Response Network to Phenol Stress.
Alhoch B et al. G3 (Bethesda) 2019 Mar 07;9(3):639-650
PMID:31064814 - Proximity-dependent biotinylation mediated by TurboID to identify protein-protein interaction networks in yeast.
Larochelle M et al. J Cell Sci 2019 May 31;132(11)
PMID:26644575 - Discovery of a nucleocytoplasmic O-mannose glycoproteome in yeast.
Halim A et al. Proc Natl Acad Sci U S A 2015 Dec 22;112(51):15648-53
PMID:30726745 - Fission Yeast NDR/LATS Kinase Orb6 Regulates Exocytosis via Phosphorylation of the Exocyst Complex.
Tay YD et al. Cell Rep 2019 Feb 05;26(6):1654-1667.e7
PMID:21504829 - Yeast SREBP cleavage activation requires the Golgi Dsc E3 ligase complex.
Stewart EV et al. Mol Cell 2011 Apr 22;42(2):160-71
PMID:37970674 - SUMOylation regulates Lem2 function in centromere clustering and silencing.
Strachan J et al. J Cell Sci 2023 Dec 01;136(23)
PMID:33823663 - A TOR (target of rapamycin) and nutritional phosphoproteome of fission yeast reveals novel targets in networks conserved in humans.
Halova L et al. Open Biol 2021 Apr;11(4):200405
PMID:27984744 - Survival in Quiescence Requires the Euchromatic Deployment of Clr4/SUV39H by Argonaute-Associated Small RNAs.
Joh RI et al. Mol Cell 2016 Dec 15;64(6):1088-1101
PMID:35633597 - UBAP2/UBAP2L regulate UV-induced ubiquitylation of RNA polymerase II and are the human orthologues of yeast Def1.
Herlihy AE et al. DNA Repair (Amst) 2022 Jul;115:103343
PMID:19547744 - Evolution of phosphoregulation: comparison of phosphorylation patterns across yeast species.
Beltrao P et al. PLoS Biol 2009 Jun 16;7(6):e1000134
PMID:25076038 - Large scale screening of genetic interaction with sgf73(+) in fission yeast.
Guo Y et al. Yi Chuan 2014 Jul;36(7):723-31
PMID:27887640 - Functional and regulatory profiling of energy metabolism in fission yeast.
Malecki M et al. Genome Biol 2016 Nov 25;17(1):240
PMID:12618370 - Schizosaccharomyces pombe essential genes: a pilot study.
Decottignies A et al. Genome Res 2003 Mar;13(3):399-406
PMID:24763107 - Absolute proteome and phosphoproteome dynamics during the cell cycle of Schizosaccharomyces pombe (Fission Yeast).
Carpy A et al. Mol Cell Proteomics 2014 Aug;13(8):1925-36
GO_REF:0000002 - Comments
PMID:29996109 - Quantitative Phosphoproteomics Reveals the Signaling Dynamics of Cell-Cycle Kinases in the Fission Yeast Schizosaccharomyces pombe.
Swaffer MP et al. Cell Rep 2018 Jul 10;24(2):503-514
PMID:20473289 - Analysis of a genome-wide set of gene deletions in the fission yeast Schizosaccharomyces pombe.
Kim DU et al. Nat Biotechnol 2010 Jun;28(6):617-623
PMID:21712547 - Mitotic substrates of the kinase aurora with roles in chromatin regulation identified through quantitative phosphoproteomics of fission yeast.
Koch A et al. Sci Signal 2011 Jun 28;4(179):rs6
PMID:40015273 - A comprehensive Schizosaccharomyces pombe atlas of physical transcription factor interactions with proteins and chromatin.
Skribbe M et al. Mol Cell 2025 Feb 19;
PMID:42691030 - The G-patch protein Cwf28 interacts with the RNA helicase Cdc28 in catalytically active spliceosomes in Schizosaccharomyces pombe.
Karika LO et al. PLoS One 2026;21(9):e0357276
PMID:23297348 - Comprehensive proteomics analysis reveals new substrates and regulators of the fission yeast clp1/cdc14 phosphatase.
Chen JS et al. Mol Cell Proteomics 2013 May;12(5):1074-86
GO_REF:0000033 - Annotation inferences using phylogenetic trees
PMID:24957674 - Yeast X-chromosome-associated protein 5 (Xap5) functions with H2A.Z to suppress aberrant transcripts.
Anver S et al. EMBO Rep 2014 Aug;15(8):894-902
PMID:28218250 - Chromatin remodeller Fun30 Fft3 induces nucleosome disassembly to facilitate RNA polymerase II elongation.
Lee J et al. Nat Commun 2017 Feb 20;8:14527
PMID:24713849 - Post-transcriptional regulation of meiotic genes by a nuclear RNA silencing complex.
Egan ED et al. RNA 2014 Jun;20(6):867-81
PMID:28281664 - Genetic interactions and functional analyses of the fission yeast gsk3 and amk2 single and double mutants defective in TORC1-dependent processes.
Rallis C et al. Sci Rep 2017 Mar 10;7:44257
PMID:25720772 - Quantitative phosphoproteomics reveals pathways for coordination of cell growth and division by the conserved fission yeast kinase pom1.
Kettenbach AN et al. Mol Cell Proteomics 2015 May;14(5):1275-87
PMID:34250083 - Barcode sequencing and a high-throughput assay for chronological lifespan uncover ageing-associated genes in fission yeast.
Romila CA et al. Microb Cell 2021 Jul 05;8(7):146-160
PMID:21511999 - Comparative functional genomics of the fission yeasts.
Rhind N et al. Science 2011 May 20;332(6032):930-6
PMID:34296454 - The TOR-dependent phosphoproteome and regulation of cellular protein synthesis.
Mak T et al. EMBO J 2021 Aug 16;40(16):e107911
PMID:16823372 - ORFeome cloning and global analysis of protein localization in the fission yeast Schizosaccharomyces pombe.
Matsuyama A et al. Nat Biotechnol 2006 Jul;24(7):841-7
PMID:39367033 - Quantitative proteomics and phosphoproteomics profiling of meiotic divisions in the fission yeast Schizosaccharomyces pombe.
Sivakova B et al. Sci Rep 2024 Oct 04;14(1):23105
GO_REF:0000024 - Manual transfer of experimentally-verified manual GO annotation data to orthologs by curator judgment of sequence similarity.
PMID:37787768 - Broad functional profiling of fission yeast proteins using phenomics and machine learning.
Rodríguez-López M et al. Elife 2023 Oct 03;12
PMID:23861937 - Genome-wide screening for genes associated with valproic acid sensitivity in fission yeast.
Zhang L et al. PLoS One 2013;8(7):e68738
PMID:39476757 - Characterization of Ksg1 protein kinase-dependent phosphoproteome in the fission yeast S. pombe.
Cipak L et al. Biochem Biophys Res Commun 2024 Oct 25;736:150895
PMID:17651922 - Identification of novel suppressors for Mog1 implies its involvement in RNA metabolism, lipid metabolism and signal transduction.
Oki M et al. Gene 2007 Oct 01;400(1-2):114-21
PMID:39705284 - Proteomic and phosphoproteomic analyses reveal that TORC1 is reactivated by pheromone signaling during sexual reproduction in fission yeast.
Bérard M et al. PLoS Biol 2024 Dec 20;22(12):e3002963
PMID:18257517 - Phosphoproteome analysis of fission yeast.
Wilson-Grady JT et al. J Proteome Res 2008 Mar;7(3):1088-97
PMID:29259000 - Genes Important for Schizosaccharomyces pombe Meiosis Identified Through a Functional Genomics Screen.
Blyth J et al. Genetics 2018 Feb;208(2):589-603
PMID:24945319 - CPF-associated phosphatase activity opposes condensin-mediated chromosome condensation.
Vanoosthuyse V et al. PLoS Genet 2014 Jun;10(6):e1004415
PMID:28974540 - The fission yeast nucleoporin Alm1 is required for proteasomal degradation of kinetochore components.
Salas-Pino S et al. J Cell Biol 2017 Nov 06;216(11):3591-3608
PMID:41525994 - Transcriptional PBR cycles at pericentromeric repeats cause gross chromosomal rearrangements through Rad52-dependent ADR-loop formation.
Xu R et al. Nucleic Acids Res 2026 Jan 05;54(1)
PMID:23050226 - A genetic screen to discover pathways affecting cohesin function in Schizosaccharomyces pombe identifies chromatin effectors.
Chen Z et al. G3 (Bethesda) 2012 Oct;2(10):1161-8